Home / 10,005.88-15,008.82-3,080.44

Finding the Fourth Proportional to 10,005.88, 15,008.82 and 3,080.44

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Solution

The fourth proportional to 10,005.88, 15,008.82 and 3,080.44 is: 4,620.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.88 : 15,008.82 = 3,080.44 : x
  2. Step 2: Convert to fraction form
    10,005.88/15,008.82 = 3,080.44/x
  3. Step 3: Cross multiply
    10,005.88x = 15,008.82 × 3,080.44
  4. Step 4: Simplify right side
    10,005.88x = 46,233,769.48
  5. Step 5: Solve for x
    x = 46,233,769.48/10,005.88
  6. Step 6: Final answer
    x = 4,620.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.